Coating composition for metals and method of making same



Patented 0a. 30, 1923.

inmrso snares "Parser WILLIAM H. BUELL, OF BRONXVILLE, NEW

roan, assmnon, BY MESDlE nearer? WARE.

COATING COMPOSITION FOR HETALS AND METHOD OF MAKING- SAME No Drawing.

To a]! whom. it may concern! Be it known that I, WILLIAM H. BUELL, a citizen of the United States, residing at Bronxvillc. in the county of Westchester, State of New York, have made a certain new and useful Invention in Coating Compositions for Metals and Methods of Making Same, of which the following is a specification.

This invention relates to a composition for coating: metals or ferrous material, which is especially adapted to pervent the rust of the material. or other deterioration due to oxidation.

A further object to he mentioned is to provide a method for manufacturing the product.

A further object to be mentioned is to provide a composition of the character re ferred to which is not injurious and is to an extent preservative.

The further objects of the invention will appear more fully hereafter.

The invention consists substantially in the process hereinafter set forth, together with the composition formed by the ingredients, all of which will be more fully hereinafter described.

It is among the special purposes ot my present invention, as hereinloetore outlined, to provide a. composition of a greasy character to coat metals and particularly fer- 'rous material such as finely polished steel surfaces. machine tools, automobiles. guns, etc... which will prevent the material from rusting: in storage. Many compositions such as Vaseline. heavy oils, waxes, greases, etc., have been made heretofore and the great ditficultv encountered has been that such compositions have either melted and run ofi of the material to which they were applied when the material has been subjected to ordinary heat oi storage. thereby causing the compositions to lose every effective coatinc function and allow the material to whi h they were applied to rust, or were of such character that they could not he easily removed. l't has therefore also been among the special purposes of my invention toprovidea composition of this character which will not run when subjected to excessive heat and heats of a degree -far in excess of normal climatic or natural heats, and which at the same time will permit the ready re- Application filed April 12, 1920. Serial No. 378,843.

moval thereof from the material when desired. c

To form the composition of my invention,

-1 use the following ingredients 111 the manner hereinafter set forth, but I wish it to be understood that while ll specify particular ingredients as a specific example, together with approximate proportions or percentages thereof employed 1n the production of the product, I do not desire to be limited or restricted either to. the specific ingredients or to the percentages set forth as like ingredients, lar characteristics and. varied percentages may be employed without departing from the spirit and scope of my invention, as clefined in the claims.

s an example, aluminum soa of oughly dissolve the l take ten per cent of cocoanut oil and thersame in thirty per cent of parafline oil under heat. I then add ten per cent of parafine and melt the parafiine in the solution, to which is then added fifty per cent oi petrolatum. Unless the aluminum soap of cocoanut ,oil is thoroughly dissolved and mixed with the paratline oil, the results obtained are not as eil'ectivc as they otherwise would be.

. l have found that it is advantageous to add to the composition obtained as hereinbefore stated, one per cent by Weight of an alkali such as a caustic potash solution for the purpose of neutralizing any acid condition in the ingredients of the composition due to impurity or other cause, and to neutralize any acid condition on the the material to which the composition is to be applied. While I do not desire to he limited or restricted in this respect, ll find it satisfactory to employ for the alkali a caustic potash solution, consistingof caustic potash dissolved in an alcohol such as methyl alcohol, amyl alcohol, etc., it being readily apparent that the alcohol ing the caustic potash in a free state in the composition. 1 have found that in addition to the composition produced as hereinloefoie set forth being an effective coating composition for metals and particularly ferrous materials to prevent the rusting thereof, that the composition will not run 0d of the material to which it has been applied, even when the material is subjected to heat as high as 200 degrees Fahrenheit. if rust that 1s, ingredients having simisurface of l 'iltll evaporates, leavretardation is further desired, there may be added to the composition, for example, a small portion of potassium chromate, or five per cent of a soda or otash soap inaddition.

As above stated, I do not desire to be limited or restricted to'the specific example herein given, and it is desired that the same be regarded in an illustrative sense ,rather than in a'limiting sense.

Having now set forth, however, the objects and nature of my invention, and having given a specific example thereof, what I claim as new and useful and of my own invention and desire to secure by Letters Patent, is

1. The process of manufacturing a rust preventing coating composition, comp-rising dissolving and thoroughly mixing a me tallic soap of a saponifiable oil in an oil, and a then adding petrolatum thereto.

2. The process of manufacturing a coating composition comprising dissolving and thoroughly mixing a metallic soap of a saponifiable oil in a solution of a hydrocarbon oil, adding petrolatum to form a solution, and then adding a rust retardent to 'the solution obtained.

3. The process of manufacturing a coating composition, comprising dissolving and thoroughly mixing a metallic soap of a saponifiable oil in a solution of hydrocar bon, then adding petrolatum thereto, and finally incorporating in said solution an alkali and a rust retardent.

4. The process of manufacturing 'a coating composition comprising dissolving and thoroughly mixing a metallic soap of a saponifiable oil in asolution of a hydrocarbon, in the presence of heat of a degree above the melting point of the said hydro-' carbon and then adding a rust retardent to the solution obtained. 5. The process of manufacturing a coating composition, comprising dissolving and thoroughlymixing a metallic soap of a saponifiable oil in a solution of a hydrocarbon, in the presence of heat of a degree above the melting point of the said hydrocarbon and then adding an-alkali to the solution obtained and finally adding an additional rust r'etardcnt chemical.

6. The process of manufacturing a coating composition, comprising dissolving and thoroughly mixing aluminum soap of cocoanut oil in a hydrocarbon oil.

7. The process of manufacturing a coating composition, comprising dissolving and thoroughly mixing aluminumsoap of cocoanut oil in parafiine oil, then incorporating parafline, petrolatum and rustretardents.

. 8. The process of manufacturing a coating composition, comprising dissolving and thoroughly mixing aluminum soap of cocoanut oil in parafline oil, then incorporating parafline, petrolatum, and caustic potash.

9. The process of manufacturing av coating composition, comprising dissolving and v thoroughly mixing aluminum soap of cocoanut oil in parafiine oil, then adding melted parafline and then adding petrolatum thereto, then adding a solution of caustic potash, and finally adding potassium chromate.

12. A coating composition comprising a composition of aluminum soap of cocoanut oil, parafiine oil, and petrolatum, and cans tic potash. v

13. A coating composition comprising a composition ofaluminum soap of cocoanut oil, paraiiine oil, petrolatum and potassium chromate.

1%. A protective coating consisting of a composition of aluminum soap of cocoanut oil, parafline oil, parafiine, petrolatum, caustic potash, and potassium chromate.

15. A protective coating comprising a composition of aluminum soap of cocoanut oil, parafiine oil, parafiine, petrolatum, and potash soap containing free alkali and a chromate.

16. The process of manufacturing a coating composition, comprising dissolving and thoroughly mixing aluminum soap of cocoanut oil in paralfine oil, then adding melted paraline and then adding petrolatum theretofthen adding an alkali to the solution obtained and finally adding a chromate.

17. The process ofmanufacturing a coat-. ing composition, comprising dissolving and thoroughly mixing aluminumsoap of cocoanut oil in parafline oil, then adding melted; parafiine and then adding petrolatum there to, then adding an alkali to the solution obtained, and finally adding potassium chromate.

In testimony whereof I have hereunto set my hand on this 8th day of April A. 1).,

WILLIAM H. BUELL. 

